Water Quality Units
Standard and customized units
Product Type: Dual-Wall, Stormwater Treatment
As part of Prinsco’s water management product portfolio, we offer stormwater treatment solutions designed to remove debris collected in runoff including, trash, sediment, oils, and other suspended solids. They are a cost-effective alternative to heavier reinforced concrete units and can be installed quicker with smaller equipment, allowing further cost savings. Prinsco offers standard water quality units and The Preserver™ by Momentum Environmental.
Contact your Prinsco sales rep to learn more about Water Quality Units.
Related
Gravity Separators:
- Prinsco Stormwater Quality Unit:
- • Independently tested = assured performance.
- • Total suspended solids removal exceeds 80%.
- • Removes 80% oil and grease.
- • Removes floatables and trash.
- • Unit is lightweight and easy to install using minimal labor and equipment.
- • Access risers allow for easy inspection and maintenance of containment chambers.
- • Compatible with Prinscos pipe and accessories.
- • Efficient, with no moving parts, resulting in trouble-free operation.
- The Preserver™ by Momentum Environmental:
- • Affordable stormwater treatment
- • Enhanced removal of suspended sediment
- • Suppress scour and retain captured sediment
- • Capture and retain floatable pollutants
Contact your Prinsco sales representative for technical details or more information.
Gravity Separators
Prinsco Stormwater Quality Unit:
| Diameter | Length |
| 36″ | 20′ |
| 36″ | 40′ |
| 42″ | 20′ |
| 42″ | 40′ |
| 48″ | 20′ |
| 48″ | 40′ |
| 60″ | 20′ |
| 60″ | 40′ |
The Preserver™ by Momentum Environmental:
| Product Type | Pipe Diameter | Allowable Peak Flow |
| Dissipator | 0″ – 15″ | 20 CFS |
| Dissipator | 16″ – 21″ | 35 CFS |
| Dissipator | 22″ – 27″ | 60 CFS |
| Dissipator | 28″ – 36″ | 100 CFS |
| Dissipator | 37″ – 48″ | 175 CFS |
| Skimmer | 0″ – 15″ | 20 CFS |
| Skimmer | 16″ – 21″ | 35 CFS |
| Skimmer | 22″ – 27″ | 60 CFS |
| Skimmer | 28″ – 36″ | 100 CFS |
| Skimmer | 37″ – 48″ | 175 CFS |
Prinsco Stormwater Quality Unit Standards:
- ASTM F 2306: Standard Specification for 12” – 60” (300 – 1500 mm) Annular Corrugated Profile-Wall Polyethylene (PE) Pipe and Fittings for Gravity-Flow Storm Sewer and Subsurface Drainage Applications
- AASHTO M 252: Standard Specification for Corrugated Polyethylene Drainage Pipe
- AASHTO M 294: Standard Specification for Corrugated Polyethylene Pipe, 300 – 1500 mm Diameter
- ASTM F 477: Standard Specification for Elastomeric Seals (Gaskets) for Joining Plastic Pipe
- ASTM D 3212: Standard Specification for Joints for Drain and Sewer Plastic Pipes Using Flexible Elastomeric Seals
Product Brochures
Stormwater Quality Unit Prinsco Brochure
(PDF)
Modified: 11/20/2023
The Preserver™ Brochure
(PDF)
Modified: 11/20/2023
Specifications
Stormwater Quality Unit Prinsco Spec
(PDF)
Modified: 11/20/2023
Installation Guides
Stormwater Quality Unit Inspection and Maintenance Guide
(PDF)
Modified: 11/20/2023
Stormwater Quality Unit Installation Guide
(PDF)
Modified: 11/20/2023
The Preserver™ Inspection Guide
(PDF)
Modified: 11/20/2023
The Preserver™ Dissipator Installation Guide
(PDF)
Modified: 11/20/2023
The Preserver™ Skimmer Installation Guide
(PDF)
Modified: 11/20/2023
CAD Drawings
D-4-110 – 36in SWQU
(PDF)
Modified: 11/20/2023
D-4-110 – 36in SWQU
(DWG)
Modified: 11/20/2023
D-4-111 – 42in SWQU
(PDF)
Modified: 11/20/2023
D-4-111 – 42in SWQU
(DWG)
Modified: 11/20/2023
D-4-112 – 48in SWQU
(PDF)
Modified: 11/20/2023
D-4-113 – 60in SWQU
(PDF)
Modified: 11/20/2023
SWQU 20FT Bypass Detail 4-102
(DWG)
Modified: 11/20/2023
SWQU 20FT Bypass Detail 4-102
(PDF)
Modified: 11/20/2023
SWQU 20FT Product Detail 4-100
(DWG)
Modified: 11/20/2023
SWQU 20FT Product Detail 4-100
(PDF)
Modified: 11/20/2023
SWQU 40FT Bypass Detail 4-103
(DWG)
Modified: 11/20/2023
SWQU 40FT Bypass Detail 4-103
(PDF)
Modified: 11/20/2023
SWQU 40FT Product 4-101
(DWG)
Modified: 11/20/2023
SWQU 40FT Product 4-101
(PDF)
Modified: 11/20/2023
The Preserver™ Standard Detail
(PDF)
Modified: 11/20/2023
The Preserver™ Curb Cut Detail
(PDF)
Modified: 11/20/2023
Catalogs
Stormwater Catalog
(PDF)
Modified: 4/10/2025
Technical Notes
The Preserver™ Manhole Sizing
(PDF)
Modified: 11/20/2023
Terms & Conditions
Terms and Conditions of Sale
(PDF)
Modified: 11/20/2023
Video
Stormwater Quality Unit Animation
(Video)
Modified: 11/20/2023
